JPH0752307Y2 - Vehicle locking device - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle locking device which is mounted on a wheel portion of a bicycle or a motorcycle (hereinafter, simply referred to as "vehicle") to prevent the vehicle from being stolen.

[0002]

2. Description of the Related Art Conventionally, a chain lock has been generally used as a locking device of this type. This chain lock has a structure in which a lock mechanism such as a dial lock is attached to one end of the chain. After the chain is wound between a wheel portion and a vehicle body portion, the other end of the chain is attached to the lock mechanism. It is designed to be connected to and locked.

However, in the case of this chain lock, since the chain has a structure in which a plurality of metal wheels are connected to each other, it can be easily cut with a simple cutting tool and does not exert sufficient power to prevent theft.

Therefore, in recent years, a vehicle locking device having a structure as shown in FIG. 6 in which the chain is replaced by a metal rod has been commercialized. The vehicle lock device shown in FIG. 1 includes a metal lock body 1 having a lock mechanism 9 built therein and a hook 2 formed by bending a metal rod into a U-shape. The lock body 1 has a pair of engaging recesses 3 and 4 on the peripheral surfaces of both ends, and a key hole 6 for inserting and removing the key 5 with the lock mechanism 9 is provided on one end surface.

The hook 2 is provided at both ends with engaging projections 7 and 8 which can be inserted into and removed from the engaging recesses 3 and 4 of the lock body 1, respectively. Engaging cam shafts 10 which can be engaged with and disengaged from the engaging projections 7 and 8 and which are linked to the locking mechanism 9 are arranged in the radial directions 3 and 4.

[0006]

In the case of the vehicle locking device having the above-mentioned structure, since the hook 2 is formed by bending a metal rod, it is not easy to cut and it is effective in preventing theft. Since the hook 2 is not freely deformable like a chain, it is bulky and inconvenient to handle and store, and the attachment / detachment work to / from the vehicle is not performed smoothly, which may damage the vehicle body. is there.

The present invention has been made in view of the above problems, and provides a vehicle locking device which is not easy to cut the hook, and is flexible and not bulky and is convenient for handling and storage. With the goal.

[0008]

[Means for Solving the Problems] This invention comprises a hook,
A lock device for a vehicle having a lock main body having a lock mechanism inside, wherein the lock main body is provided with an engaging portion that is engageable with and disengageable from both ends of the hook and is connected to the lock mechanism. The hook is formed by connecting a plurality of metal rods in a line. Each metal rod has a protruding piece on one end and a split groove on the other end, the split groove having a different direction from the projection piece. Is a structure in which a connecting portion between the metal rods is formed to be bendable in any one of at least two directions by engaging and pinning a protruding piece of an adjacent metal rod to be connected. .

[0009]

[Function] Since the hook is formed by connecting a plurality of metal rods, it is not easy to cut the hook and is effective in preventing theft. Further, since each connecting portion between the metal rods can be bent in any one of at least two directions, it can be freely deformed, convenient for handling and storage, and can be smoothly attached to and detached from the vehicle.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows the appearance of a vehicle lock device according to an embodiment of the present invention. The vehicle locking device of the illustrated example has the same configuration as that of the conventional example shown in FIG. 6 except for the structure of the hook 2, and the metal lock body 1 has a pair of circumferential faces of both ends facing in the same direction. The engaging recesses 3 and 4 are provided, and a keyhole 6 for inserting and removing the key 5 is provided on one end surface. The hook 2 is provided with engaging protrusions 7 and 8 at both ends, and the engaging protrusions 7 and 8 are formed in a diameter and a length that can be inserted into and removed from the engaging recesses 3 and 4 of the lock body 1. ing. The lock body 1 in the illustrated example is a straight rod-shaped body, but the lock body 1 is not limited to this, and various forms can be used.

The engaging projections 7 and 8 of the hook 2 are shown in FIG.
As shown in FIG. 3, a split groove 11 is provided on the tip surface of the split hemispherical surface, and a circular hole 12 having a diameter larger than the groove width of the split groove 11 is provided at the bottom of the split groove 11 in a radial direction. ing.

Inside the keyhole 6 of the lock body 1, a known lock mechanism 9 such as a cylinder lock is incorporated. The lock mechanism 9 has a rotatable cylindrical body, and a keyhole 23 communicating with the keyhole 5 is provided on an end surface of the cylindrical body. Rotation of the tubular body is restricted when locked, and when the proper key 6 is inserted into the key hole 23 of the tubular body through the key hole 5, the rotation of the tubular body is allowed. It

At the bottom of each of the engaging recesses 3 and 4 of the lock body 1, an engaging cam shaft 10 connected to the cylindrical body of the lock mechanism 9 is provided.
Is arranged so that the shaft can be rotated. The engagement cam shaft 10
As shown in FIG. 3 (1), the cross section is formed in an oval shape, and the shorter shaft diameter R1 is smaller than the groove width W of the split groove 11 of the hook 2 and the longer one. The shaft diameter R2 is set to be larger than the groove width W of the split groove 11 and smaller than the diameter of the circular hole 12.

The engagement cam shaft 10 has the engagement recesses 3 and 4 respectively.
When the engaging projections 7 and 8 of the hook 2 are inserted into the engaging recesses 3 and 4 of the lock body 1 in the vertical state shown in FIG. The mating cam shaft 10 is inserted into the circular hole 12 from the split groove 11 of the engaging projections 7 and 8. Next, the key 5 is rotated to rotate the engaging cam shaft 10 by 90 degrees as shown in FIG. 3 (2) to set it in the sideways state, and the engaging cam shaft 10 engages with the circular hole 12. Then, it will be in the retaining state.

4 and 5 show the assembled structure of the hook 2. As shown in FIG. The hook 2 connects a plurality of metal rods 13 in a line, and the metal rods 13 at both ends are provided with the engaging protrusions 7, 8.
Is connected or formed, and the outer circumference thereof is covered with a sleeve 22 that is flexible and easily bent, over the entire length.

A projecting piece 14 having an appropriate thickness is provided at one end of each metal rod 13, and a pin hole 1 is formed on the plate surface of the projecting piece 14.
5 is formed so as to penetrate therethrough. A split groove 18 having a groove width corresponding to the plate thickness of the projecting piece 14 and oriented in a direction orthogonal to the projecting piece 14 is formed in the radial center at the other end of each metal rod 13. The protruding piece 1 is provided on the leg pieces 16 and 17 sandwiching 18
The pin holes 19 and 20 are formed so as to penetrate in the direction orthogonal to the pin hole 15 of No. 4.

The protruding piece 14 of the adjacent metal rod 13 to be connected is engaged in the split groove 18 of each metal rod 13, and the pin hole 15 of this protruding piece 14 and the pin holes 19 of each leg piece 16, 17 are inserted. The pins 21 are inserted into the pin holes communicating with each other in a state where they are aligned with 20, and the both ends thereof are caulked, so that the metal rods 13 and 13 are connected so as to be bendable at a maximum of 180 degrees.

According to such a connecting structure, the metal rod 1
Each connecting portion between 3 and 13 can be alternately bent in two orthogonal directions, but the bending direction is not always 2 as in this embodiment.
It does not have to be directional, and may be three or more, as long as it is two or more.

In the vehicle lock device having the above structure, the lock body 1 and the hook 2 are separately stored when not in use. In this case, since the hook 2 can be bent in any one of the two directions between the metal rods 13 and 13, the hook 2 becomes a compact form by bending so as to be folded.

When this lock device for a vehicle is used, the hook 2 is hooked between the wheel portion and the vehicle body portion, and the engaging projections 7, 8 at both ends are inserted into the engaging recess portions 3, 4 of the lock body 1. To do.
After that, when the key 5 is inserted into the key hole 6 of the lock body 1 and rotated by 90 degrees, the tubular body of the lock mechanism 9 and the engagement cam shaft 10 are integrally rotated to engage the engagement cam shaft 10. It engages with the circular hole 12 of the abutting portion 7, 8. As a result, the hook 2 and the lock body 1 are integrated so that the hook 2 cannot be removed. If the key 5 is removed from the key hole 6, the engaged state is maintained.

[0021]

As described above, according to the present invention, since a plurality of metal rods are connected in a row to form a hook, it is not easy to cut the hook, and it is effective in preventing theft. Further, since each connecting portion between the metal rods can be bent in at least one of two directions, it can be freely deformed, is convenient for handling and storage, and can be smoothly attached to and detached from the vehicle. There is.

[Brief description of drawings]

FIG. 1 is a perspective view showing an outer appearance of a vehicle lock device according to an embodiment of the present invention.

FIG. 2 is a perspective view showing an appearance of a hook.

FIG. 3 is an explanatory view showing a connecting structure of a lock body and a hook.

FIG. 4 is a front view showing a configuration of a hook.

FIG. 5 is a perspective view showing a hook assembly structure.

FIG. 6 is a front view showing an appearance of a conventional vehicle lock device.

[Explanation of symbols]

 1 Lock Main Body 2 Hook 3,4 Engagement Projection 7,8 Engagement Recess 13 Metal Rod

Claims (1)

[Scope of utility model registration request] 1. A hook and a lock main body having a lock mechanism inside, wherein the lock main body is provided with an engaging portion that is engageable with and disengageable from both ends of the hook and is connected to the lock mechanism. In the vehicle lock device described above, the hook is formed by connecting a plurality of metal rods in a line,
Each metal rod is provided with a projecting piece at one end and a split groove at the other end having a direction different from that of the projecting piece. By pinning, the connecting part between the metal rods can be
A vehicle locking device formed to be bendable in any one direction.